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The design of the “ao” and “tu” door handle originates from two of the Chinese Pictographs "凹”and “凸", which are equivalent to English words “concave” and “convex”. These Chinese characters have such amphoteric explanation as yin and Yang, inside and outside, tolerance and impact, passive and active. We usually have the habit of pushing when we meet something concave and of pulling when we meet something convex. Therefore, using this door handle, we can easily determine whether we should push or pull even though there is not any logo.

University

Sichuan Normal University

Sichuan Normal University
Chengdu, Sichuan, China

Design

Sichuan Normal University

Sichuan Normal University
Chengdu, Sichuan, China

Chenglin Huang; Li Liu; Jia Xie; Tao Zhang